 And then in the 1990s WJTT became "The All New Power 94 FM".And ever since then WJTT has been the preferred choice for Chattanooga's African American music programming for almost 40 years.In 2011, the FCC granted WJTT a construction permit for an upgrade from Class A to Class C3, thus increasing its effective radiated power from 4.7 kW to 19.5 kW and an expanded coverage beyond the Chattanooga area.